Scientists at Universidad Carlos III de Madrid (UC3M) have analyzed the process of nitrogen fixation by cyanobacteria, creating a mathematical model that reveals the patterns they form. In these patterns, approximately one out of 10 cells in cyanobacteria filaments fixes nitrogen, while the remaining nine carry out photosynthesis. These microorganisms are fundamental to life on Earth because they produce much of the planet's oxygen and convert nitrogen into chemical forms that can be used by any life form.
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